Exquisite fossil worm from 520 million years ago preserves brain
A fossil of a larva which lived more than half a billion years ago might shed light on the earliest ancestors of modern insects, spiders, crabs and centipedes. Named Youti…
A fossil of a larva which lived more than half a billion years ago might shed light on the earliest ancestors of modern insects, spiders, crabs and centipedes. Named Youti…